Technical Summary
The widespread adoption of Ethernet L2VPN services and the advent
of new applications for the technology (e.g., data center interconnect)
have culminated in a new set of requirements that are not readily
addressable by the current Virtual Private LAN Service (VPLS) solution.
In particular, multi-homing with all-active forwarding is not supported
and there's no existing solution to leverage Multipoint-to-Multipoint
(MP2MP) LSPs for optimizing the delivery of multi-destination frames.
Furthermore, the provisioning of VPLS, even in the context of
BGP-based auto-discovery, requires network operators to specify
various network parameters on top of the access configuration.
This document specifies the requirements for an Ethernet VPN
(EVPN) solution which addresses the above issues.
Working Group Summary
This document is an L2VPN Working Group document, and has been
reviewed in the working group through multiple iterations of the draft.
There was considerable debate during and after the WG last call which
resulted in new revisions being issued to resolve various comments.
Document Quality
The document provides a clear and concise set of requirements
for E-VPN - broken down into different requirement areas. As a
requirements draft there is no protocol to implement.
Personnel
Document Shepherd: Giles Heron (giheron@cisco.com)
Area Director: Stewart Bryant (stbryant@cisco.com)